Sorry, not true. GEN Ham remains in command of AFRICOM. He replaced GEN Ward in that billet, and his replacement has in turn been named, but awaits Senate confirmation. The RADM in question was relieved for other reasons not known to me. However, his flagship, USS Stennis was in port in Thailand on 10 Sep, so his relief had nothing to do with Benghazi.
My bad, RADM Gaouette was replaced (mid tour) not relieved in Oct. Gen Rodriguez nominated to relieve Ham. My original post was based on a rumor I read as news several weeks ago. I went back and dug a little deeper and found I was pushing a rumor. Thanks for setting me straight.